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4 years ago

Simplify to create an equivalent expression. 2(3r+7)−(2+r)

Mathematics

1 answer:

tamaranim1 [39]4 years ago

7 0

2(3r+7)−(2+r)

Use distributive property:

6r + 14 - 2 - r

Simplify by combining like terms:

5r +12

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3 years ago

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3 years ago

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shepuryov [24]

Answer: 25 chocolate frogs eaten by Luna

Step-by-step explanation:

let the amount of chocolate frogs eaten by Luna = x

and the amount of chocolate frogs eaten by Harry = 6+ x

Such that total a,mount of chocolate frogs eaten by both of them

= x +( 6+x) = 56

Step 2- Solving

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3 years ago

The work that Yi did to find the greatest common factor of 42 and 63 is shown below. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42 Fa

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Step-by-step explanation:

Given That :

Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

Factors of 63: 1, 7, 9, 63

The greatest common factor is 7

Find the error in the calculation above :

Not all factors of 63 were listed

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4 years ago

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